Community Improvement Division

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CID webpage
Welcome to the Development Services Department, Community Improvement Division. Our mission is to protect the residential and business communities through a variety of programs that address blight, deteriorated conditions and nuisance behaviors, while focusing on a higher quality of life in Costa Mesa.




 Code Enforcement Program Information

 Group Home/Sober Living Program Information

 Medical Marijuana
 Garage Sale Information

 Medical Marijuana Business Permitting Program Information

 Garage Sale Permitting Program
 Want to submit a concern?

 Call us

Duty officer/ main hotline at (714) 754-5638 from 8:00 a.m. to 5:00 p.m. M-F

File online

Use the City's MyCostaMesa here, a simple online form or download the mobile version for your Apple or Android device. It can be found in the Apple store or Google play store.

California State Complaints (DHCS)

Do you want to file a complaint on an Alcohol and/or drug recovery residential licensed by the state?

Click here: California Department of Health Care Services (DHCS).